求翻译：减少了空气污染对健康的危害。生活在广植树木花草地方的人，不仅身体健康，而且癌症的发病率也降低许多。科学家们解释说：这是由于植物周围的空气特别清新，含有的负离子数量也相对较多。人们生活在这样的环境中，可以呼吸到更多的新鲜空气，对心肺功能很有益处。是什么意思？

Reduce the hazards of air pollution on health. People living in the place of planting of trees, flowers, health, and the incidence of cancer is also reduced. The scientists explained: This is the plant around the fresh air in particular, contain a relatively large number of negative ions. People liv

Reduce the air pollution on the health hazards. Living in planting trees and flowers of the local people, not only physical health, but also has a lower incidence of cancer. Scientists have explained that this is because the plants around the air purifiers that contain number of anions are relativel

Reduced the air pollution to the health the harm.Life in broad tree-planting wood shavings grass place person, not only health, moreover cancer disease incidence rate also reduces many.The scientists explained: This is because around plant's air is specially fresh, includes anoin quantity also relat

Reduce the health hazards of air pollution. People living in planting trees and flowers, not only good health, and the incidence of cancer is reduced a lot. Scientists explained: this is due to the special fresh air around the plant, contains a relatively large number of negative ions. People living

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